Mr. and Mrs. Robert E. Grisnik of Southampton have announced the engagement of their son, Jason Robert Grisnik, to Heather Nicole Bucher. Ms. Bucher is the daughter of Mr. John J. Bucher of Cincinnati, Ohio.?She graduated from the University of Cincinnati and now works as a dental hygienist in Cincinnati. Mr. Grisnik, a graduate of C.W. Post, also works in Cincinnati as an account executive for Total Quality Logistics.?Engaged in June 2007, the couple will wed this May.